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12200221211012 = 2217239734617681
BaseRepresentation
bin1011000110001001010111…
…0110011111100110000100
31121012022220101121110202022
42301202111312133212010
53044342023112223022
641540412041302312
72366302566145412
oct261422566374604
947168811543668
1012200221211012
1139840a28a611a
121450599494998
136a66257b1743
143026cb2042b2
151625509ddc42
hexb1895d9f984

12200221211012 has 72 divisors (see below), whose sum is σ = 22746828535368. Its totient is φ = 5724418867200.

The previous prime is 12200221210987. The next prime is 12200221211023. The reversal of 12200221211012 is 21011212200221.

12200221211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 58508836996 + 12141712374016 = 241886^2 + 3484496^2 .

It is a super-3 number, since 3×122002212110123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1588359812 + ... + 1588367492.

Almost surely, 212200221211012 is an apocalyptic number.

It is an amenable number.

12200221211012 is a deficient number, since it is larger than the sum of its proper divisors (10546607324356).

12200221211012 is a wasteful number, since it uses less digits than its factorization.

12200221211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577 (or 11558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12200221211012 its reverse (21011212200221), we get a palindrome (33211433411233).

The spelling of 12200221211012 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 17 34 68 289 397 578 794 1156 1588 3461 6749 6922 7681 13498 13844 15362 26996 30724 58837 114733 117674 130577 229466 235348 261154 458932 522308 1000229 1374017 2000458 2219809 2748034 3049357 4000916 4439618 5496068 6098714 8879236 12197428 23358289 26583941 46716578 51839069 53167882 93433156 103678138 106335764 207356276 397090913 451926997 794181826 881264173 903853994 1588363652 1762528346 1807707988 3525056692 7682758949 10553824577 15365517898 21107649154 30731035796 42215298308 179415017809 358830035618 717660071236 3050055302753 6100110605506 12200221211012